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Fatigue

Fatigue

Fatigue occurs when materials rupture under repeated or fluctuating loads, even at stress levels far below their static breaking strength. It typically results in brittle failure, even for ductile materials. It is a critical consideration in designing machines and structural components subjected to repetitive or varying loads. The nature of these loadings can range from fluctuating loads like unbalanced pump impellers causing vibrations to repeatedly bending a thin steel rod wire back and forth...

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Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments

Published on: August 8, 2019

Measuring Fatigue in Triage: A Pilot Study.

Bryn McMahon¹, John Hudson, Judy Prewitt

¹Duke University Health System, Durham, North Carolina (Ms McMahon and Drs Hudson, Prewitt, and Carman); and Duke University Health System, Raleigh, North Carolina (Ms Engleson).

Advanced Emergency Nursing Journal

|May 3, 2017

Summary

This summary is machine-generated.

Emergency department triage nurses experience increased fatigue with longer shifts. Fatigue scores rose significantly during 12-hour shifts, highlighting the need for further research into optimal shift lengths and their impact on patient care.

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Area of Science:

Nursing
Emergency Medicine
Occupational Health

Background:

Triage is critical for emergency department (ED) operations.
Understanding factors affecting triage accuracy and patient outcomes is vital.
Limited research exists on triage nurse fatigue and its impact.

Purpose of the Study:

To investigate the relationship between triage shift length and perceived fatigue in nurses.
To explore the role of fatigue in accurate triage score assignment.

Main Methods:

Prospective, descriptive cohort study.
28 registered nurses at a university-affiliated hospital.
Fatigue measured every 2 hours using validated scales (Karolinska Sleepiness Scale, Samn-Perelli Seven-Point Fatigue Scale) over 18 shifts.
Data analyzed using SPSS and Microsoft Excel.

Main Results:

A strong positive correlation was found between triage shift duration and fatigue levels.
Average fatigue scores increased by 64.4%-75.2% over a 12-hour shift.
The most significant increase in fatigue occurred between hours 4 and 8 of a shift.

Conclusions:

Longer triage shifts are associated with increased perceived fatigue among ED nurses.
Further research is needed to determine optimal shift lengths.
The impact of nursing fatigue on triage accuracy requires additional investigation.